`nullmx.mtechusa.com`

CNAME	`expired.hichina.com`
DNSSEC	⚠️ Not signed
A	8.218.208.240^{🇭🇰 Alibaba-Cloud8.218.128.0/17 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
A	47.76.127.217^{🇺🇸 Alibaba-Cloud47.76.0.0/17 Proxy-registered route object}
A	47.91.170.222^{🇭🇰 Alibaba-Cloud47.91.128.0/18 Alibaba Cloud}
NS	`ns1.alidns.com` ⭐ ⚠️ Not in parent delegation
		A	2408:4009:501::1^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.45^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.55^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.205^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.215^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.45^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.55^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.115^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.125^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
NS	`ns2.alidns.com` ⚠️ Not in parent delegation
		A	2408:4009:501::2^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.46^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.56^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.206^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.216^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.46^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.56^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.116^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.126^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
SOA	`ns1.alidns.com`hostmaster@hichina.com 2026-01-12 #9

`mtechusa.com`

	CNAME	`expired.hichina.com`
	DNSSEC	⚠️ Not signed
	A	8.218.208.240^{🇭🇰 Alibaba-Cloud8.218.128.0/17 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
	A	47.76.127.217^{🇺🇸 Alibaba-Cloud47.76.0.0/17 Proxy-registered route object}
	A	47.91.170.222^{🇭🇰 Alibaba-Cloud47.91.128.0/18 Alibaba Cloud}
	NS	`ns1.alidns.com` ⭐ ⚠️ Not in parent delegation
	NS	`ns2.alidns.com` ⚠️ Not in parent delegation
	SOA	`ns1.alidns.com`hostmaster@hichina.com 2026-01-12 #9

Previously MX for

mtechusa.com

Same first word

nullmx.org

nullmx.com

nullmx.net

DNS History

6 records (1 active, 5 former)

○NSns1.parkingcrew.net2016-07-10 → 2016-07-10 · 2 obs

● 2016-07-10 19:43:56
○ 2026-07-16 22:51:48

○NSns2.parkingcrew.net2016-07-10 → 2016-07-10 · 2 obs

● 2016-07-10 19:43:56
○ 2026-07-16 22:51:48

○MXexchange.dewile.net2016-07-10 → 2016-07-10 · 2 obs

● 2016-07-10 19:43:56
○ 2026-07-16 22:51:48

○A173.192.64.1472015-07-14 → 2015-11-17 · 4 obs

● 2015-07-14 21:29:52
● 2015-11-17 16:45:04
○ 2016-03-13 14:34:54
○ 2026-07-16 22:51:48

○A185.53.179.112016-07-10 → 2016-07-10 · 3 obs

○ 2016-03-13 14:34:54
● 2016-07-10 19:43:56
○ 2026-07-16 22:51:48

●CNAMEexpired.hichina.com2026-07-16 → 2026-07-16 · 1 obs

● 2026-07-16 22:51:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
mtechusa.com	expirens3.hichina.com, expirens4.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.33

NS records: expirens3.hichina.com, expirens4.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mtechusa.com (unsigned zone)

⏱️ Timing

Total: 677ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`expired.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (expirens3.hichina.com, expirens3.hichina.com, expirens3.hichina.com...)

Analysis

IP Addresses

The hostname nullmx.mtechusa.com resolves to three IP addresses: 8.218.208.240, 47.76.127.217 and 47.91.170.222.

Among the host names that share IP numbers with nullmx.mtechusa.com are 101533-0a.top, expired.hichina.com, 678564.com and two others.

Name Servers

The NS records for nullmx.mtechusa.com delegate to ns1.alidns.com and ns2.alidns.com.

nullmx.mtechusa.com has the same name server delegation as a number of other domains, such as 12e8cb6231015.beer, 81e7163cf10311.beer, 882488.com and two more.

nullmx.mtechusa.com partially shares its NS delegation with several other domains, including bt036.com, graceland.com.cn, caiyihua.com and two others.

In DNS configurations, these name servers often share authority with ns7.alidns.com, ns8.alidns.com, dns13.hichina.com and 7 other name servers.

Host names resolving to 9 IP numbers:

ns1.alidns.com maps to 39.96.153.45, 39.96.153.55, 47.118.199.205 and 6 additional IP addresses.

ns2.alidns.com maps to 39.96.153.46, 39.96.153.56, 47.118.199.206 and 6 additional IP addresses.

nullmx.mtechusa.com - robtex.com